Automobile bumper



i ll

y w. A. STARCK 1,757,749

AUTOMOBILE BUMPER I Original Filed Heb. 8, 192a Pic-3.1.

FIG. 2.

FIGS.

El IILKIIIIINIIIIIII Patented May 6, 1930' PATENT OFFICE 7 WILLIAM.axsrnncx, on MILWAUKEE, wrscon'srmessreivon 'ro BADGERVMAIIIUIACQTUBING CORPORATION, OF MILWAUKEE WISCONSIN, A CORPORATION OFDELA- i WAREjiAUTQMOBILE BUM ER" al application filed February 8, 1928,;Seria1 No;252,815. Dividedazidthis dapplicatioxifiled May 29, 7

1929. SeriaINo. 366,926. l 7 v This invention relates ers. r 7 p Thebumper to which the invention applies in particular is disclosed in mycor-pending to automobile application, Serial No.252,815, filed-February 8, 1928, of which this application is a division. j '7 The object oftheinvention is to provide a bumper having a large capacity forabsorbing shocks.v

Another object is toprovide albumper in which a shockis progressivelyabsorbed and 7 distributed throughout the bumper. 7 7

Another object is toprovide 7 aybump'er which may be readily andeconomically manufactnred.

According to the invention as it is ordinarilyembodied, thebumper has'aspring impact bar connected ateach end and inter a0 mediate each end andthece'ntral part thereof;

to a separate spring supportingbar, and a spring advancebaris.arrangedfor wardly of,

the impact bar. 77

Bumpers embodying the'invention are illustrated in the accompan ingdrawing in which the views are'as fol ows: Fig. 1' is a top plan viewofabumper;

Fig. 2 is a front'view of the same.

,claimed.

Fig; 3 is a top plan view of another bumper. Fig. 4 is a r'rontview ofthe same. 3

, 1 598. 1 and y The bumper has parallel spring impact bars 1 providedat each end with eyes 2 to receive 1 p p p p 7 said ends to support saidbar, and an advance .ibar spaced forwardly from said, impact bar;

The impact barsl are'sup'ported ateach} end by a spring supporting'bar 4whichcar an automobile. 7

Each supportin pivotally7connecte to the pin?) and its inner end loopedforwardly andfloutwardl ,-7a'rranged between the impact bars *nectedthereto by a clamp 6.

The outer end of each supporting bar14 may have ahinge plate 7 attachedthereto and providedwith apertured ears 8 to re-" ceive the pin 3.

connected to "set ends 12.

' riesa bracket'5 for. attaching the bumper tobar .4 has its outer end,impactbar, separate sprlngsupportlng bars bars 4 to embrace the pins3and in having aspringzadv ance bar ll which is shorter than the bar 9and'provided with rearwardly oil"- The othe'rpar'ts of the bumper arethesame as the corresponding parts of the bumper cated by the samereferencenumerals.

Alight shock, received by the advance bar will be partially absorbedthereby and the unabsorbed portion transferred to the impact 7 bars 1and the supporting bars 4 through the clamps 6 or through the clampsGand pins 8.

A heavier shock willdeflect the advance ible of variousmodificationswithoutdepartingffrom the scope thereofas hereafter g The inventionhereby'clainied as follows 1-. An automobilebumper comprising an impactbar, separate spring supporting bars connected to'said impactbarintermediate the ends and thecenter thereot and pivoted to i 2. Anautomobile bumper comprising parallel impact bar's, separate'springsupporting bars connected tofsaid impact bars intermediate the ends andthe center thereof and pivoted; to said ends to support said bars, andan advance bar spaced forwardly 7 from said impact bars; 7 7 o .7

3. An automobilebumper comprising an ly from and connected to the impactbars 1 by the clamps 6. andhasits ends pivot'ally '7 the pins -3intermediate the This bumper differs from the bumper "shown in Figs.- 1and-2 in having eyes 10' bar between the impact bars'and permit the rconnected to said impact bar intermediate the ends and'the centerthereof and pivoted to said'endslto support said bar, and an advance 7 i7 bar. spacedforwardly from said impact bar 50 .7 A spring advance bar 9is spaced forw'ard-I 7 j shown in Figs l and'2 and have been indi- 7impact bar.-

connected to said' impact bar intermediate the ends and the centerthereof and. ivoted to said ends to support said bar, an ac vance barspaced forwardly from said impact bar, and

clamps connecting said advance bar. to; said mpact bar. a p

v 6; Anautomobile bumper comprising paralleli impactibars, separatespring supporting barsiconnectedlto said impact barsi-ntermedi 1 ate theends and the center thereof and! pivoted to said ends tois'u-pportosaidbars, an ad-,

vance. bar; paced orwar ly fr said pact bars and clamps connect ng,SZLlCl adan e ba t o; sa d impactba a; V

' 7, An a-1111,0111 bile bumper comprising two l paral l pring: impahars space from eac other; separate springsuppo'rting bars connectedt'o'said impact bars:intermediate the ends and'the cente tthereo andpivoted to eidiends, t s pport aidirimpact baraend a the center thereofto support the same, and an advance bar spaced forwardly from saidimpact bars.

12. An automobile bumper comprising a spring impact bar, springsupporting bars pivoted at'tlie outer ends thereof tot-he ends of saidimpact bar and having-the inner ends thereofv loopedand independentlyconnected Y to said impact bar intermediate the ends and the centerthereof to'support the same, and an advance bar spaced forwardly fromsaid impact bar and connected'thereto.-

allel impact bars, spring supporting bars pivoted at'thev outer endsthereof to the ends of said impacti bars and having the. inner-,endsthereof looped and independently connected to said, impact barsintermediate theendsaand.

the center thereof to. support the same, and

aniadvance bar spacedforwardly from saidimpact bars and connectedthereto. p

14. An automobile bumperv comprising a spring. impact bar, springsupporting bar's pivoted at the outer ends thereof to the: ends of saidimpact bar and having theinner ends 7 thereof looped and independentlyconnectadv n pring"Z b r; arra g d; betw en" and p d f rdly from s idimpact' ar An t mo ile b mper comprising o parallel spring impact barsspaced from each r; ep rate spfi g supporti g bars; on-

said ends to supportsaid impact bars, and an advance spring bar arrangedbetween and spaced forwardly from saidimpact bars and connected thereto.i

- 9. Anautornobile bumper comprising two parallel spring impactbarsspaced from each other, separate sprlngsupporting bars con nected tosaidimpactbars intermediatethe ends and thencenter thereof and'pivotedto said ends. to support said impact bars, an ad vance springf bararranged between and ,nected to said impactbars intermediate the endsand the center thereofand pivotedn'to spaced forwardly from said impactbars, and

impact barsg 7 r p p 10; An automobile bumper 'comprisinga'clamps'connecting said advance bar tosaid to spring impact bar, spring"supporting bars;

pivoted at the ou'ter ends thereof to the ends of said impact bar andhaving the inner ends thereof loc jped'and independently connected edto. saidimpactibar. intermediate the ends and the center thereof to;support; the same, an. advance bar spacedforwardly from said impact bar,andclamps "connecting vance bar to said impact bar. c

15. An automobile bumper comprising-parallelimpactbars;springsupportingbars pivj I oted at the outerends thereof: tothe endsiof said: impact bars iand-havin the inner endsrv thereof loopedand indepen ently. connected said aid- -rAn-e t mqb ebumreree ep eepa tosaid impact. bars intermediatethe ends and the center thereof to supportthe same, arr advance bar'sp'aced forwardly from; said impactxbars andclamps connecting saidad-i vance bar to'said'impactbarsu I 16. Anautomobile bumper comprising-two parallel; spring impact barsspacedifrom each other; spring suipportingbars, pivoted atv the p outerends'thereof to the ends of saidinipactli i10 bars and having the inner endsthereof looped and independently connected to said impact barsintermediate; their ends I and the center other, spring s rpportingbars,pivoted: at the to said impact bar intermediatethe ends and i an advancebar 11. An automohileibuinpercomprising parthe center thereof'to supportthe same, and

spaced forwardly fromf said allel impact" bars, springsupporting barspivoted fat the outer endsthereof to the ends ofsaid impact bars andhavingflthe inner ends thereof-looped and independently connected tosaid impact bars intermediatetheiendsand outer ends thereof to the endsof said impact; barsand having the inner ends 'thereoflooped thereof tosupport the same, and an advance bar arranged between and;spacediforwardlyl from said impact bar's. u-

, 1 17?. automebilebnmper comprising two -parallel"spring-impactbarsspaced from each and independently; connected to said impact ing-saidfadvance barto said impactvbars;

allel impact bars, separate springs supporting bars connected! to saidimpact bans inter hars; intermediate the l ends and the: center 7thereof to support the same, an advance bar arranged between and spacedforwardly from said impact bars, and clamps connect- 18. An automobilebumper comprising par-l iao mediate the ends and the center thereof andpivoted to said ends to support said impact bars, and an advance barspaced forwardly from said impact bars and pivoted to the ends .thereof.q I V 19. An automobile bumper comprising par allel impact bars,separate spring supporting bars connected to said impact barsintermediate the ends and the centerthereof and pivoted to said ends to'support saidimpact bars, an advance bar spaced forwardly from 1 saidimpact bars and pivoted to the ends thereof, and clamps connecting saidadvance bar to said impact bars.

' 20. An automobile bumper comprising two 7 parallel spring impact barsspaced from each other, spring supporting bars pivoted at the outer endsthereof to the ends of said impact bars and having the innerends thereoflooped V and independently connected to said'impact bars intermediatethe ends and the center thereof to support the same, a spring advancebar spaced forwardly" from said impact'bars and pivoted to the endsthereof, and clamps 2.3 1cjonnecting said advance bar to said impactars.

In witness whereof I have hereunto sub scribed my'name. i

7 WILLIAM AL STAROK,

